c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202

General

Target

c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Size

83KB
MD5

62e32ac505e9e221041c657797aa600f
SHA1

3ee59a908b42b4c4d51ba2c9716fcbbee1a55f1a
SHA256

c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202
SHA512

0d4efe32b7e109dce8f8ad582e56b1d3c11fa4dce4466b19467494a73c51db15f755b2ae362b9d43ae879b026b25987e43e886304134014abd31f6946cff4f20
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWObkYn7Y:GhfxHNIreQm+HiIkYn7Y

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2132	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\¢«.exe	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
File created	C:\Windows\system\rundll32.exe	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1713515362"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1713515362"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2132	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
2132	rundll32.exe
2132	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2132	2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe	28
PID 2056 wrote to memory of 2132	2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe	28
PID 2056 wrote to memory of 2132	2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe	28
PID 2056 wrote to memory of 2132	2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe	28
PID 2056 wrote to memory of 2132	2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe	28
PID 2056 wrote to memory of 2132	2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe	28
PID 2056 wrote to memory of 2132	2056	c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe	28

C:\Users\Admin\AppData\Local\Temp\c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe
"C:\Users\Admin\AppData\Local\Temp\c0b706ad68a7910a49aa6634350356caec40b725094d9a3d6c644a5da8907202.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
80KB

MD5
df38d26c6875e98b3a9062a09786297b

SHA1
986dee4c95157a0183158b4e5e36d3377d167566

SHA256
b92267768d3ca1bce91c3e8b2622dbca2dc915a7adfd9dbed4aa5c9f2315ef17

SHA512
8420e52f1b89a9fa4eec4fa95fa5ecef502225211f0479121c0e990e7449f4d4c747f2112abb96dd565f2a06d60fade2a2399945580ea4b37832a0b217e9e61b

Download Submit
\Windows\system\rundll32.exe

Filesize
88KB

MD5
1306151d2161e1395a5cc35de9956a80

SHA1
401319e40552d2bffe64a679db64eb13b5611a30

SHA256
a0c82a62ef94ba4a890e482da6079821b9cff3bf2d0c4a2c1d92821243e0a949

SHA512
98de54b931c9dcf640fa5b5455018ab317a1d8f69bdb05f0ac587d2db5c78fc40708b1737b1cba2aba50c481321a1f14df0e2cf98bf1d2dc5012420ae83e6969

Download Submit
memory/2056-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2056-12-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2056-17-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2056-22-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/2056-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2132-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads